[INFO] cloning repository https://github.com/koshkin-kna/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/koshkin-kna/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoshkin-kna%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoshkin-kna%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c7a0e3513e67fcc84f652742de2f10b5d159f72 [INFO] checking koshkin-kna/rust-learn against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoshkin-kna%2Frust-learn" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/koshkin-kna/rust-learn on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/koshkin-kna/rust-learn [INFO] finished tweaking git repo https://github.com/koshkin-kna/rust-learn [INFO] tweaked toml for git repo https://github.com/koshkin-kna/rust-learn written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/koshkin-kna/rust-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v0.14.2 [INFO] [stderr] Downloaded inflate v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b53dae11481bf926afb225553bbaacbbc21b4b8909f6f407bab40cf5c7e9cfc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7b53dae11481bf926afb225553bbaacbbc21b4b8909f6f407bab40cf5c7e9cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b53dae11481bf926afb225553bbaacbbc21b4b8909f6f407bab40cf5c7e9cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b53dae11481bf926afb225553bbaacbbc21b4b8909f6f407bab40cf5c7e9cfc", kill_on_drop: false }` [INFO] [stdout] 7b53dae11481bf926afb225553bbaacbbc21b4b8909f6f407bab40cf5c7e9cfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3eb2a66e11cff9f4842b5beceb8236e7770351a39fbc11a291ec8cf374365827 [INFO] running `Command { std: "docker" "start" "-a" "3eb2a66e11cff9f4842b5beceb8236e7770351a39fbc11a291ec8cf374365827", kill_on_drop: false }` [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking inflate v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:23:36 [INFO] [stdout] | [INFO] [stdout] 23 | fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:23:36 [INFO] [stdout] | [INFO] [stdout] 23 | fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.12s [INFO] running `Command { std: "docker" "inspect" "3eb2a66e11cff9f4842b5beceb8236e7770351a39fbc11a291ec8cf374365827", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3eb2a66e11cff9f4842b5beceb8236e7770351a39fbc11a291ec8cf374365827", kill_on_drop: false }` [INFO] [stdout] 3eb2a66e11cff9f4842b5beceb8236e7770351a39fbc11a291ec8cf374365827